Hydrogen sulfide will react with water as shown in the following reactions. H2S(g) + H2O(l) ↔ H3O+(aq) + HS–(aq)B        K1 = 1.0 ×10–7 HS–(aq) + H2O(l) ↔ H3O+(aq) + S2–(aq)         K2 =? H2S(g) + 2H2O(l) ↔ 2H3O+(aq) + S2–(aq)       K3 = 1.3 × 10–20 What is the value of K2?

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Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
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Hydrogen sulfide will react with water as shown in the following reactions.

H2S(g) + H2O(l) ↔ H3O+(aq) + HS–(aq)B        K1 = 1.0 ×10–7

HS–(aq) + H2O(l) ↔ H3O+(aq) + S2–(aq)         K2 =?

H2S(g) + 2H2O(l) ↔ 2H3O+(aq) + S2–(aq)       K3 = 1.3 × 10–20

What is the value of K2?

 
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